Theory
of
Operation
—
DC
502
OVERFLOW:
This output
is HI when the count
over
flows.
RESET:
This is
a dual-function input/output line. It
provides
a LO output during reset, or can be used as an
external reset
input.
Data
Lines: 1, 2, 4, 8 provide BCD output, serial by
digit, from
the currently
enabled
storage-register
latch.
Other
data lines include a LO when the MHz light is on, a
LO
when the second decimal point is lit, and a HI when the
left-side
digit
(MSD) is enabled.
Summary of Contents for DC 502
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